\begin{tikzpicture}
    \tkzDefPoints{0/0/A, 4/0/B,  1/3/D,  5/3/C}

    \tkzDrawPolygon(A,B,C,D)
    \tkzDrawSegments(A,C)
    \tkzMarkAngles[size=0.3](C,A,D  A,C,B)
    \tkzMarkAngles[size=0.5](B,A,C  D,C,A)
    \tkzLabelAngle[pos=0.5](C,A,D){$1$}
    \tkzLabelAngle[pos=0.5](A,C,B){$2$}
    \tkzLabelAngle[pos=0.7](B,A,C){$3$}
    \tkzLabelAngle[pos=0.7](D,C,A){$4$}
    \tkzLabelPoints[below](A,B)
    \tkzLabelPoints[above](C,D)
\end{tikzpicture}

